Fix the message, not the fault :)

This is what I see:
[  282.108597] [drm:i915_check_and_clear_faults] Unexpected fault
[  282.108597] 	Addr: 0x00000000\n	Address space: PPGTT
[  282.108597] 	Source ID: 24
[  282.108597] 	Type: 0
Signed-off-by: NPaulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>